Auth bypass in Apache Spark

CVE-2018-11770

From version 1.3.0 onward, Apache Spark's standalone master exposes a REST API for job submission, in addition to the submission mechanism used by spark-submit. In standalone, the config property 'spark.authenticate.secret' establishes a s…

Vulnerability class: Broken Authentication

EPSS: 0.658 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-11770?
CVE-2018-11770 is a medium-severity vulnerability in Apache Spark, classified under Improper Authentication. CVSS score: 4.2/10. Published 2018-08-13.
How severe is CVE-2018-11770?
Medium severity. CVSS v3 base score is 4.2 out of 10.
Is CVE-2018-11770 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.